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Lit stalactite columns and rock formations inside Sửng Sốt Cave, with visitors on the walkway.
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Mike Colvin from Manchester, UK · CC BY 2.0 · Source

Sửng Sốt Cave

Sửng Sốt Cave is a limestone karst cave on Bồ Hòn Island in the centre of Hạ Long Bay, about 20 metres above the sea. The largest cave found in the bay so far, it has two main chambers with stalactites and stalagmites along a walkway of some 800 metres, and was named Grotte de la Surprise by the French in 1901.

Good to know

Opening hours
Mon–Sun 07:30–17:00

Hours checked October 16, 2026 · source halongbay.com.vn

When to go

Today’s hours
All weekHide week
Mon07:30–17:00
Tue07:30–17:00
Wed07:30–17:00
Thu07:30–17:00
Fri07:30–17:00
Sat07:30–17:00
Sun07:30–17:00

Frequently asked questions

What are the opening hours of Sửng Sốt Cave?

Opening hours: Mon–Sun 07:30–17:00.

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